let's develop more stars in education. let's invest in our teachers... ...so they can inspire our students. let's solve this. >>> outspoken billionaire and nba team owner mark cuban slamming a ceo's letter to employees saying their jobs are in jeopardy if president obama wins re-election. robert frank has the latest on the news today. robert. >> thanks, michelle. david siegel's e-mail touched off an online fire storm after we first reported it yesterday morning. this was the e-mail in which the westgate resort ceo told his employees if obama is elected i might have to lay off all my workers or shut down the company and fire all 7,000 of them. yesterday, david siegel told us he wasn't threatening his workers, just educating them. mark cuban isn't buying it. he said he thinks siegel's e-mail shows perhaps poor judgment. telling or forcefully suggesting how your employees should vote is the exact way to create problems among your workers and reduce productivity, he tweeted. i received calls from many westgate employees yester